Company lists · Data refreshed October 2026
Top 20 Annotation services based in India
RevenueBase identified 166 company matches for annotation services associated with India as of October 2026 and tracks 3,051 professional contacts across them, including 91 with verified work emails. Bangalore is the largest hub.
This list covers company matches for annotation services associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 20 largest annotation services based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 469 contacts → | ||||
Exact match “Dedicated to revolutionizing the way outsourcing industries operate, Qualitas Global Services has emerged as a trusted business partner & key player in the data services industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 232 contacts → | ||||
Exact match “Experts in Digital world” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 161 contacts → | ||||
Exact match “Welcome to TAGFact, your premier media intelligence and data annotation/labeling solution.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 105 contacts → | ||||
Exact match “Fueling the AI age.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 70 contacts → | ||||
Exact match “With AI and machine learning being evolved as the fastest-growing technologies that offer incredible innovations that benefit various sectors of the global economy, Annotations &…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 58 contacts → | ||||
Exact match “Frinksyn which is situated in West Bengal, India, where we provide workforce support for AI/Machine Learning Data Annotation and Content Moderation services, Having business…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 52 contacts → | ||||
Exact match “Sakhsham Knowledge Services provides human-in-the-loop, plug-and-play process support services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 43 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 41 contacts → | ||||
Exact match “Cognegica Networks is the Bharat-Native AI Data Foundry, the AI data services company built for the languages the global web forgot.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 34 contacts → | ||||
Exact match “Megdap provides Data for AI Training across Voice, Text, Images & Videos.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 33 contacts → | ||||
Exact match “Are you struggling to find high-quality real-world unbiased training data for your machine-learning algorithms?” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 27 contacts → | ||||
Exact match “Taskmonk is an all-in-one data labeling platform that empowers businesses to train powerful Enterprise-AI models with ease.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “Data processing requires precise labelling in order to produce the desired machine learning model.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “Knuckle Head Corporation provides a whole gambit of Artificial Intelligence based services for various industries, such as : Healthcare, Finance, E-commerce, Retail, Telecom &…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Our image annotation experts, tools and our talented domain experts with years of experience ensure your image annotation projects are efficiently implemented.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Loopernode Technologies is an Enterprise AI Data Services company specializing in high-quality data collection, data annotation, and AI training datasets.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “AI-enabled Data Collection and Annotation for all data formats!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “ScaleOps delivers Fully managed, Hi Quality Data labeling from a secure data center.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Annotation Box provides high-quality and accurate data annotation services for training AI and Machine Learning models.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “At dfAIn, define your AI strategy with human labeled data sets, worked on by our global community of qualified contributors available 24/7, across all languages and file types!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “annotation services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 20 of 166 annotation services based in India
See the full list, filter by size, metro and specialty, and access 91 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Annotation services based in India at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 166 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with India whose business descriptions match “annotation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 91 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “annotation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many annotation services are there based in India?
RevenueBase identified 166 company matches for annotation services associated with India as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Qualitas Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most annotation services?
Bangalore leads with 23 company records, followed by Kolkata (12) and Hyderabad (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 91 professional contacts with verified work emails tracked across these 166 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 166 annotation services based in India. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 20 annotation services based in India
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 166 matching company records for annotation services based in India, with 3,051 tracked contacts and 91 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 annotation services based in India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Qualitas Globalqualitasglobal.comHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 469 contacts → |
“Dedicated to revolutionizing the way outsourcing industries operate, Qualitas Global Services has emerged as a trusted business partner & key player in the data services industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Mysuru, IndiaReported employees: 201-500 | Mysuru, India | 201-500 | Exact match | 232 contacts → |
“Experts in Digital world” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Tagfacttagfact.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 161 contacts → |
“Welcome to TAGFact, your premier media intelligence and data annotation/labeling solution.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Tika Datatika-data.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 105 contacts → |
“Fueling the AI age.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Gfactorsgfactors.co.inHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 70 contacts → |
“With AI and machine learning being evolved as the fastest-growing technologies that offer incredible innovations that benefit various sectors of the global economy, Annotations &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Frinksyn AIfrinksyn.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 58 contacts → |
“Frinksyn which is situated in West Bengal, India, where we provide workforce support for AI/Machine Learning Data Annotation and Content Moderation services, Having business…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Sakhsham Knowledge Servicessakhsham.comHQ: Lucknow, IndiaReported employees: 51-200 | Lucknow, India | 51-200 | Exact match | 52 contacts → |
“Sakhsham Knowledge Services provides human-in-the-loop, plug-and-play process support services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Elancer ITSelancerits.com HQ: Hyderabad, IndiaReported employees: 51-200 | Hyderabad, India | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Cognegica Networkscognegicanetworks.comHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 41 contacts → |
“Cognegica Networks is the Bharat-Native AI Data Foundry, the AI data services company built for the languages the global web forgot.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Megdap Innovation Labsmegdap.comHQ: Pune, IndiaReported employees: 11-50 | Pune, India | 11-50 | Exact match | 34 contacts → |
“Megdap provides Data for AI Training across Voice, Text, Images & Videos.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Futurebeeaifuturebeeai.comHQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 33 contacts → |
“Are you struggling to find high-quality real-world unbiased training data for your machine-learning algorithms?” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Taskmonktaskmonk.aiHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 27 contacts → |
“Taskmonk is an all-in-one data labeling platform that empowers businesses to train powerful Enterprise-AI models with ease.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Scematicsscematics.ioHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 21 contacts → |
“Data processing requires precise labelling in order to produce the desired machine learning model.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Knuckle Head Corporation LLPknuckleheadcorporation.comHQ: Malda, IndiaReported employees: 51-200 | Malda, India | 51-200 | Exact match | 18 contacts → |
“Knuckle Head Corporation provides a whole gambit of Artificial Intelligence based services for various industries, such as : Healthcare, Finance, E-commerce, Retail, Telecom &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Annotationworldannotationworld.comHQ: IndiaReported employees: 51-200 | India | 51-200 | Exact match | 13 contacts → |
“Our image annotation experts, tools and our talented domain experts with years of experience ensure your image annotation projects are efficiently implemented.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Loopernodeloopernode.in HQ: Mannarkkad, IndiaReported employees: 1-10 | Mannarkkad, India | 1-10 | Exact match | 9 contacts → |
“Loopernode Technologies is an Enterprise AI Data Services company specializing in high-quality data collection, data annotation, and AI training datasets.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Databaedatabae.co.inHQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“AI-enabled Data Collection and Annotation for all data formats!” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Scaleops.aiscaleops.aiHQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 3 contacts → |
“ScaleOps delivers Fully managed, Hi Quality Data labeling from a secure data center.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Annotation BOXannotationbox.comHQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 1 contacts → |
“Annotation Box provides high-quality and accurate data annotation services for training AI and Machine Learning models.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  DFAINdfain.comHQ: Delhi, IndiaReported employees: 11-50 | Delhi, India | 11-50 | Exact match | 1 contacts → |
“At dfAIn, define your AI strategy with human labeled data sets, worked on by our global community of qualified contributors available 24/7, across all languages and file types!” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 166 company matches
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Annotation services: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
166 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 166 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for annotation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many annotation services did RevenueBase find based in India?
The saved snapshot records 166 matching company records, 3,051 tracked contacts and 91 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Annotation services by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 20 annotation services based in India. Snapshot: October 22, 2026. https://revenuebase.ai/companies/annotation-services/india.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Annotation services based in the United States
- 1 micron filtering system suppliers based in India
- 1099 accounting services based in India
- 1100 aluminum extrusions suppliers based in India
- 120 vac surge protectors suppliers based in India
- 1200 aluminum extrusions suppliers based in India
Company intelligence · public preview
Top 20 annotation services based in India
RevenueBase records 166 matching company records for annotation services based in India, with 3,051 tracked contacts and 91 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 20 annotation services based in India
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Qualitas Globalqualitasglobal.com HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 469 contacts → |
“Dedicated to revolutionizing the way outsourcing industries operate, Qualitas Global Services has emerged as a trusted business partner & key player in the data services industry.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Mysuru, IndiaReported employees: 201-500 | Mysuru, India | 201-500 | Exact match | 232 contacts → |
“Experts in Digital world” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Tagfacttagfact.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 161 contacts → |
“Welcome to TAGFact, your premier media intelligence and data annotation/labeling solution.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Tika Datatika-data.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 105 contacts → |
“Fueling the AI age.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Gfactorsgfactors.co.in HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 70 contacts → |
“With AI and machine learning being evolved as the fastest-growing technologies that offer incredible innovations that benefit various sectors of the global economy, Annotations &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Frinksyn AIfrinksyn.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 58 contacts → |
“Frinksyn which is situated in West Bengal, India, where we provide workforce support for AI/Machine Learning Data Annotation and Content Moderation services, Having business…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sakhsham Knowledge Servicessakhsham.com HQ: Lucknow, IndiaReported employees: 51-200 | Lucknow, India | 51-200 | Exact match | 52 contacts → |
“Sakhsham Knowledge Services provides human-in-the-loop, plug-and-play process support services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Elancer ITSelancerits.com HQ: Hyderabad, IndiaReported employees: 51-200 | Hyderabad, India | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Cognegica Networkscognegicanetworks.com HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 41 contacts → |
“Cognegica Networks is the Bharat-Native AI Data Foundry, the AI data services company built for the languages the global web forgot.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Megdap Innovation Labsmegdap.com HQ: Pune, IndiaReported employees: 11-50 | Pune, India | 11-50 | Exact match | 34 contacts → |
“Megdap provides Data for AI Training across Voice, Text, Images & Videos.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Futurebeeaifuturebeeai.com HQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 33 contacts → |
“Are you struggling to find high-quality real-world unbiased training data for your machine-learning algorithms?” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Taskmonktaskmonk.ai HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 27 contacts → |
“Taskmonk is an all-in-one data labeling platform that empowers businesses to train powerful Enterprise-AI models with ease.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Scematicsscematics.io HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 21 contacts → |
“Data processing requires precise labelling in order to produce the desired machine learning model.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Knuckle Head Corporation LLPknuckleheadcorporation.com HQ: Malda, IndiaReported employees: 51-200 | Malda, India | 51-200 | Exact match | 18 contacts → |
“Knuckle Head Corporation provides a whole gambit of Artificial Intelligence based services for various industries, such as : Healthcare, Finance, E-commerce, Retail, Telecom &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Annotationworldannotationworld.com HQ: IndiaReported employees: 51-200 | India | 51-200 | Exact match | 13 contacts → |
“Our image annotation experts, tools and our talented domain experts with years of experience ensure your image annotation projects are efficiently implemented.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Loopernodeloopernode.in HQ: Mannarkkad, IndiaReported employees: 1-10 | Mannarkkad, India | 1-10 | Exact match | 9 contacts → |
“Loopernode Technologies is an Enterprise AI Data Services company specializing in high-quality data collection, data annotation, and AI training datasets.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Databaedatabae.co.in HQ: Kolkata, IndiaReported employees: 11-50 | Kolkata, India | 11-50 | Exact match | 7 contacts → |
“AI-enabled Data Collection and Annotation for all data formats!” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Scaleops.aiscaleops.ai HQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 3 contacts → |
“ScaleOps delivers Fully managed, Hi Quality Data labeling from a secure data center.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Annotation BOXannotationbox.com HQ: Kolkata, IndiaReported employees: 51-200 | Kolkata, India | 51-200 | Exact match | 1 contacts → |
“Annotation Box provides high-quality and accurate data annotation services for training AI and Machine Learning models.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | DFAINdfain.com HQ: Delhi, IndiaReported employees: 11-50 | Delhi, India | 11-50 | Exact match | 1 contacts → |
“At dfAIn, define your AI strategy with human labeled data sets, worked on by our global community of qualified contributors available 24/7, across all languages and file types!” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Annotation services: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
166 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 166 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for annotation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many annotation services did RevenueBase find based in India?
The saved snapshot records 166 matching company records, 3,051 tracked contacts and 91 verified emails. The public preview displays 20 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 20 annotation services based in India. Snapshot: October 22, 2026. https://revenuebase.ai/companies/annotation-services/india.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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